#include<bits/c++.h>
using namespace std;

int a[100005];

int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    int n,x;
    cin>>n;
    for(int i=0;i<n;i++)
    {
        cin>>x;
        a[x]++;
    }
    x=0;
    for(int i=0;i<100001;i++)
    {
        if(a[i]>0)
        {
            if(a[i]>=x)
                x=a[i];
            else
                x=x;
            a[i]=0;
        }
    }
    cout<<x<<endl;
    return 0;
}
